Assig-nob of



(No Model.)

L. J. CHURCH.

FASTENER FOR MEETING RAILS 01? SASHES.

,499. Patented Apr; 22, 1884.

NITED STATES )ATENT zI FFICEQ LOUIS J. CHURCH, OF WASHINGTON, DISTRICT OF COLUMBIA, ASSIGNOR OF ONF-HALF TO WILLIAM H. IVYLIE, OF SAME PLACE.

FASTENER FOR MEETING-RAILS OF SASHES.

SPECIFICATION forming part of Letters Patent No. 297,499, dated April 22, 1884.-

Application filed November 19, 1883. (No model.)

T at whom it may concern:

Be it known that I, LoUIs J. CHURCH, of Washington, District of Columbia, have in vented a new and useful Improvement in Sash- Looks; and I do hereby declare that the following is a full, clear, and exact description of the same.

My invention is an improvement in sashlocks, and is designed to provide a simple and effective lock with few parts and cheap to manufacture.

The invention consists in the details constituting the lock, all of which will be fully described, and particularly pointed out in the I 5 claim. I

In the drawings, Figure 1 represents the -lock in perspective, attached to the sash. Figs. 2 and 3 are detail views showing the parts de tached. Fig. 4 shows the lock partly in side elevation and partly in section. Fig. 5 is a detail view of the inner end of the gravitylatch.

The object of the invention is to reduce the amount of metal in the lock and to render it 2 5 more difficult to operate from the outside.

This sash-lock is of that class in which a horizontal swinging latch is pivoted on the lower sash, and is adapted to swing under a catch, with a gravity-latch on the front end adapted 0 to drop automatically and hold the main latch in a locked position.

In my invention the part which is mounted on the lower sash is marked A. It has a base, a, of ordinary metal, used for this purpose,

5 and having in its center a pin, 2, on which the latch is pivoted. This base a has the locking-notch for the gravity-latch near its center or pivot, and may therefore be made of very small size. As shown, it is provided with three small projections, givingit a form of a trefoil. Each of these projections has a small hole for the reception of the screws by which the base is fastened to the sash.

The latch C is in the main like those latches 5 ordinarily used, and is adapted to swing un der the catch B in the ordinary way. The inner end of this latch is slotted from said inner end to near the pivot, and a gravity-latch,

d, is adapted to fit into this slot, being pivoted therein at the front end. The rear end of that which is toward the pivot is adapted to drop into the notch in the base a, by means of which the latch is lockedin place. Thelockingnotch is marked g. The front end of the gravity-latch projects slightly from the main latch, so that it can be pressed by the finger, and the rear end raised out of the notch. The rear end, being longest, falls readily by gravity.-

The part B is of ordinary construction,made of a single casting, h, as the base, and a flangeplate, 2', adapted to receive the end j of the latch C. The standard 70 is placed so that the latch bears against it when the gravity-latch is in position to drop into the center notch. In order that the gravity-latch may be retained in its slot, I make the gravity-latch larger in its lower part and form the slot to correspond. The latch is introduced from below and cannot be lifted entirely out from above. The

front end of the gravity-latch is made only large enough to be conveniently moved by the finger, and cannot therefore be readily manipulated from the outside. This mode of constructing the latch and gravity-latch lessens the amount of metal required, as the gravitylatch may bevery thin, being inclosed in the slot of the main latch.

I claim as my invention The sash-lock described, consisting of the part to, having the locking-notches g, and extensions 1, for attachment to the sash, the latch c, pivoted on the part a, and slotted at its front end,and a gravity-latch pivoted within said slot by a pivot passing through the front thereof, said gravity-latch being larger at its lowerinner end,and adapted to fall by gravity in the locking-notches when opposite thereto, in combination with the catch B on the outer sash, adapted to receive the end of the catch C, substantially as described. I

In testimony whereof I have signed my name to this specification in the presence of two sub scribing witnesses.

LOUIS J. CHURCH.

Vitnesses:

V J. B. THoMrsoN, FRANK A. LAW. 

